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Add stmxcsr.

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Submitted by:	Ed Alley <wea llnl gov>
PR:	  amd64/169927
MFC after:	3 weeks
This commit is contained in:
kib 2012-07-18 15:36:03 +00:00
parent b6e3f0ff49
commit abd7bc0665
1 changed files with 2 additions and 0 deletions
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2
sys/amd64/amd64/fpu.c
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@ -73,6 +73,7 @@ __FBSDID("$FreeBSD$");
#define fxrstor(addr) __asm __volatile("fxrstor %0" : : "m" (*(addr)))
#define fxsave(addr) __asm __volatile("fxsave %0" : "=m" (*(addr)))
#define ldmxcsr(csr) __asm __volatile("ldmxcsr %0" : : "m" (csr))
#define stmxcsr(addr) __asm __volatile("stmxcsr %0" : : "m" (*(addr)))
static __inline void
xrstor(char *addr, uint64_t mask)
@ -105,6 +106,7 @@ void fnstsw(caddr_t addr);
void fxsave(caddr_t addr);
void fxrstor(caddr_t addr);
void ldmxcsr(u_int csr);
void stmxcsr(u_int csr);
void xrstor(char *addr, uint64_t mask);
void xsave(char *addr, uint64_t mask);